more than a million photos and other artifacts that document the arrival of millions of immigrants remain in storage. >> conrad murray is a free man as i speak. he was released from the los angeles county jail this morning after serving two years for causing michael jackson's death. the jury found dr. murray's negligence led to the singer's death from an overdose of propofol. murray's medical licenses were also suspended after his conviction, but he plans to file for reinstatement. he wants to practice medicine again. >>> and scientists are calling it the lost world in this remote mountain range in northern australia. pretty incredible discovery. take a look. three new species, sitting in isolation for million of years. a primitive looking gecko, a prehistoric reptile with huge eyes, and then there's this. you're looking at a frog with a behavior never seen before. this little guy, really, guys? somehow they know this about this frog, that he likes to make love in the rain. i'm going to take their word for it. finally, a succinct, unique because of its golden hue. and leaping great length